<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <input type="text" v-model="num" placeholder="请输入0-100之间的数字" >
  <input type="button" value="猜一猜" @click="f()">
  <div>{{info}}</div>
</div>
<!--引入vue框架-->
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let x = parseInt(Math.random()*100)+1;
    let v= new Vue({
        el:"body>div",
        data:{
            num:"",
            info:""
        },
        methods:{
            f(){
                if (v.num>x){
                    v.info="猜大了";
                }else if (v.num<x){
                    v.info="猜小了";
                }else {
                    v.info="恭喜你,猜对了!"
                }
            }
        }
    })
</script>
</body>
</html>